OS 700 then FR 689 at Vienna
Bucharest → Vienna → Madrid
Timetable, Vienna time
07:35OS 700 from Bucharest at the gate
06:00FR 689 to Madrid leaves the gate
22 h 25 apart on the timetable, overnight
FR 689 leaves 22 h 25 after OS 700 arrives on the timetable: more than half a day, so not a connection we count.